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Monthly climate in Rostrenen, Brittany, France

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Rostrenen features a oceanic climate (Cfb). Temperatures typically range between 6 °C (42 °F) and 18 °C (64 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 826 mm (32.5 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually. Rostrenen enjoys an average of 3662 hours of sunshine throughout the year, and daylight varies from 8 hours 23 minutes to 16 hours 0 minutes per day.

Monthly average temperatures in Rostrenen, Brittany, France §

The warmest months in Rostrenen are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (61 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 7 °C (42 - 45 °F) throughout the day. On average each year, Rostrenen experiences 13 days above 25 °C (77.0 °F) and 18 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rostrenen, Brittany, France. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 14°C
(58°F)		 20°C
(68°F)		 21°C
(69°F)		 25°C
(77°F)		 27°C
(82°F)		 33°C
(91°F)		 33°C
(92°F)		 32°C
(91°F)		 30°C
(85°F)		 23°C
(74°F)		 17°C
(63°F)		 14°C
(57°F)
Mean maximum 13°C
(55°F)		 14°C
(58°F)		 18°C
(64°F)		 23°C
(74°F)		 24°C
(75°F)		 28°C
(82°F)		 30°C
(86°F)		 29°C
(85°F)		 25°C
(78°F)		 20°C
(68°F)		 15°C
(60°F)		 13°C
(56°F)
Average high 8°C
(47°F)		 10°C
(50°F)		 11°C
(53°F)		 15°C
(59°F)		 17°C
(63°F)		 20°C
(69°F)		 22°C
(72°F)		 21°C
(71°F)		 20°C
(67°F)		 16°C
(60°F)		 11°C
(53°F)		 9°C
(49°F)
Daily mean 6°C
(42°F)		 7°C
(44°F)		 8°C
(46°F)		 10°C
(50°F)		 13°C
(55°F)		 16°C
(61°F)		 18°C
(64°F)		 17°C
(63°F)		 15°C
(59°F)		 12°C
(54°F)		 8°C
(47°F)		 7°C
(45°F)
Average low 3°C
(38°F)		 4°C
(39°F)		 4°C
(40°F)		 6°C
(42°F)		 8°C
(47°F)		 12°C
(53°F)		 13°C
(56°F)		 13°C
(55°F)		 11°C
(52°F)		 9°C
(48°F)		 6°C
(42°F)		 5°C
(41°F)
Mean minimum -3°C
(27°F)		 -3°C
(27°F)		 -1°C
(30°F)		 -0°C
(31°F)		 2°C
(36°F)		 6°C
(44°F)		 9°C
(49°F)		 8°C
(46°F)		 5°C
(42°F)		 3°C
(38°F)		 0°C
(33°F)		 -2°C
(29°F)
Minimum -7°C
(19°F)		 -6°C
(22°F)		 -7°C
(19°F)		 -2°C
(28°F)		 -1°C
(30°F)		 5°C
(42°F)		 7°C
(45°F)		 6°C
(44°F)		 4°C
(39°F)		 -1°C
(31°F)		 -1°C
(31°F)		 -3°C
(27°F)

Compare climate in Rostrenen with other places

Compare temperature, precipitation, sunshine, UV index in Rostrenen, Brittany, France with other places around the world.

Monthly average precipitation in Rostrenen, Brittany, France §

Rostrenen usually has the most precipitation in June, October and December, with an average of 13 rainy days and 101 mm (4.0 inches) of precipitation per month. The driest months in Rostrenen are April, July and September. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rostrenen, Brittany, France. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 55 (2.2) 75 (2.9) 66 (2.6) 45 (1.8) 71 (2.8) 100 (3.9) 46 (1.8) 48 (1.9) 42 (1.7) 98 (3.8) 75 (2.9) 106 (4.2)
Average precipitation days (≥ 1 mm) 9 14 13 8 13 12 10 10 9 13 12 16

Monthly sunshine hours in Rostrenen, Brittany, France §

The sunniest months in Rostrenen are May, June and July, when the sun shines an average of 13 hours 32 minutes a day. Least sunny months in Rostrenen: January, February and December receive an average of 5 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rostrenen, Brittany, France. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 141 208 295 355 411 402 431 395 335 275 224 185
Mean daily daylight hours 8h 49m 10h 12m 11h 55m 13h 42m 15h 13m 16h 0m 15h 35m 14h 13m 12h 31m 10h 46m 9h 12m 8h 23m

Solar UV radiation in Rostrenen, Brittany, France §

Rostrenen experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Rostrenen UV Index data.

Average daily maximum UV levels by month for Rostrenen, Brittany, France. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 3 5 6 8 9 9 8 6 5 2 2

Detailed Monthly Weather Insights for Rostrenen, Brittany, France

Discover in-depth weather details for every month in Rostrenen. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Rostrenen's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.